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Journal of Environmental Toxicology 2004;19(2):227-233.
국내 부산물 다염화비폐닐(PCBs) 배출량 예비 평가
김경미, 조규탁, 이지윤, 이지은, 이동수
Preliminary Estimation of National Emission Inventory for the Unintentionally Produced Polychlorinated Biphenyls
Kyoung-Mi Kim , Kyu-Tak Cho , Jee-Yoon Lee , Jee-Eun Lee , Dong-Soo Lee
The main objectives of this study were to identify from literature review the potential sources and to provide a preliminary national emission inventory for the unintentionally produced polychlorinated biphenyls (PCBs) (i.e., by-product PCBs). In Korea, fuel combustion, waste combustion. thermal industrial processes, and transportation were identified as potential sources of by-product PCBs. According to the availability of the emission factors and/or activity data, emission inventory could be assessed only for fuel combustion, waste combustion, steel industry, non-ferrous industry, and non-metallurgical industry. The total national emission of by-product PCBs was estimated to be 1087 kg for the year 2000. The preliminary estimation further indicated that the steel manufacturing was the single dominant emission category, contributing 93% to the total emission. Of the steel manufacturing processes, the contribution of the electric are furnace was about 80% of the total emission. Due to high uncertainty associated with both the emission factors and activity statistics, the emission estimates in this study are likely to contain significant errors. However, the results of the present work could serve the first step toward future efforts to establish national source and emission inventories of by-product PCBs.
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